"Electric current" Quotes from Famous Books
 ... a nitric acid solution are readily decomposed by the electric current, but the deposited bismuth is not coherent. It comes down in shaggy tufts which are difficult to wash and ...
— A Textbook of Assaying: For the Use of Those Connected with Mines. • Cornelius Beringer and John Jacob Beringer
... the precise instant of start to within a thousandth of a second being automatically registered. Velocimeters are a familiar application of electricity somewhat analogous. In these, wires are cut by the projectile at different points in its flight, and the breaking of the electric current causes the appearance of marks on a surface moving along at a known speed. The velocity of the projectile in going from one wire to another ...
— Scientific American Supplement, No. 520, December 19, 1885 • Various
... most essential of all contrivances in the operation and use of electricity. It is the piece of mechanism which does the physical work of almost every electrical apparatus or machine. It is the device which has the power to convert the unseen electric current into motion which may be observed by the human eye. Without it electricity would be a useless agent ...
— Electricity for Boys • J. S. Zerbe
... usually results from dropping a little water a long way. In the mountains water is dropped many hundreds of feet upon the turbines which move the dynamos that produce the electric current. Water power on navigable streams is usually produced by dropping immense volumes of water a short distance, as twenty feet, fifteen feet, or even less. Every stream is a unit from its source to its mouth, and the people have the same stake in the control ...
— The Fight For Conservation • Gifford Pinchot
... but dead matter; the productive efficiency is in the vital energy of the intelligent laborer. The most complicated and ingenious tool ever made is useless without the operator. It is as helpless as the wire without the electric current; as helpless as the body without its life, for the body is but man's tool, preserved, and kept efficient, and made productive, by the living ...
— Usury - A Scriptural, Ethical and Economic View • Calvin Elliott
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